Whir of Invention [Aether Revolt Prerelease Promos] BW46 "Four things that never meet

"Four things that never meet do here unite To shed my blood and to ravage my heart

its power and toughness are each equal to the number of Forests you control

Set: Sun & Moon: Lost Thunder Type: Item Rarity: Promo

Set: Urza's Legacy Type: Creature — Goblin Artificer Rarity: Rare Cost: {R} {T}: Choose target artifact a player controls and target artifact card in that player's graveyard

Whir of Invention [Aether Revolt Prerelease Promos] BW46 "Four things that never meetSet: Aether Revolt Prerelease Promos Type: Instant Rarity: Rare Cost: {X}{U}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.) Search your library for an artifact card with mana value X or less, put it onto the battlefield, then shuffle.